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Firefox/Seamonkey Updates for openSUSE

The following two updates are available for openSUSE: openSUSE-SU-2011:0958-1: important: MozillaFirefox: Update to Firefox 3.6.20 and openSUSE-SU-2011:0957-1: important: seamonkey: Update to Mozilla Seamonkey 2.3

Mozilla developers and community members identified and fixed several memory safety bugs in the browser engine used in Firefox 3.6 and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

Mozilla security researcher moz_bug_r_a_4 reported a vulnerability in event management code that would permit JavaScript to be run in the wrong context, including that of a different website or potentially in a chrome-privileged context. (CVE-2011-2981)

* Dangling pointer vulnerability in appendChild

Security researcher regenrecht reported via TippingPoint's Zero Day Initiative that appendChild did not correctly account for DOM objects it operated upon and could be exploited to dereference an invalid pointer. (CVE-2011-2378)

* Privilege escalation dropping a tab element in content area

Mozilla security researcher moz_bug_r_a4 reported that web content could receive chrome privileges if it registered for drop events and a browser tab element was dropped into the content area. (CVE-2011-2984)

* Binary planting vulnerability in ThinkPadSensor::Startup

Security researcher Mitja Kolsek of Acros Security reported that ThinkPadSensor::Startup could potentially be exploited to load a malicious DLL into the running process. (CVE-2011-2980) (This issue is likely Windows only)

* Private data leakage using RegExp.input

Security researcher shutdown reported that data from other domains could be read when RegExp.input was set. (CVE-2011-2983)

Patch Instructions:

To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:

* Miscellaneous memory safety hazards (rv:4.0) Mozilla identified and fixed several memory safety bugs in the browser engine used in SeaMonkey 2.2 and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

Rafael Gieschke reported that unsigned JavaScript could call into script inside a signed JAR thereby inheriting the identity of the site that signed the JAR as well as any permissions that a user had granted the signed JAR. (CVE-2011-2993)

* String crash using WebGL shaders

Michael Jordon of Context IS reported that an overly long shader program could cause a buffer overrun and crash in a string class used to store the shader source code. (CVE-2011-2988)

* Heap overflow in ANGLE library

Michael Jordon of Context IS reported a potentially exploitable heap overflow in the ANGLE library used by Mozilla's WebGL implementation. (CVE-2011-2987)

Mike Cardwell reported that Content Security Policy violation reports failed to strip out proxy authorization credentials from the list of request headers. Daniel Veditz reported that redirecting to a website with Content Security Policy resulted in the incorrect resolution of hosts in the constructed policy. (CVE-2011-2990)

* Cross-origin data theft using canvas and Windows D2D

nasalislarvatus3000 reported that when using Windows D2D hardware acceleration, image data from one domain could be inserted into a canvas and read by a different domain. (CVE-2011-2986)

Patch Instructions:

To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: